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礦物之美-(鈉沸石-NATROLITE)
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NATROLITE Na2Al2Si3O10·2H2O (orthorhombic)
. divergent spray of acicular opaque white crystals . Goble, Columbia
County, Oregon . 針狀或絲狀結晶成放射狀排列,有時成棉花球狀,非常脆弱.硬度
5 - 5.5,長在玄武岩的間隙與其它沸石類,方解石為伍.主要產地∼Poona, India; San Benito, California;
New Jersey and Nova Scotia. |
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